Which of the following will generate an RSTP topology change notification? (Select the best answer.)

A.
an edge port that transitions to the forwarding state

B.
a non-edge port that transitions to the blocking state

C.
a non-edge port that transitions to the forwarding state

D.
an edge port that transitions to the blocking state

E.
any port that transitions to the blocking state

F.
any port that transitions to the forwarding state